Pan Am

Remember Pan American Airways, commonly known as Pan Am, and once the largest international airline opertating from the US?

Well, this period photo of a Silver Shadow Drophead by MPW appears to have been taken outside of the London Pan Am flight center:

Can anyone identify the precise location?

Was the car's owner booking a flight to New York?

Perhaps, but the yellow headlights suggests this Rolls-Royce and its owner probably spent most of their time in France....